LEA Gratings, a Preferential Looking Test

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For preferential looking test situations with infants or children and adults with disabilities.

Grating levels printed on each handle are: 0.25, 0.5, 1.0, 2.0, 4.0 and 8.0 cpcm (cycles/cm of surface).

Includes instructions and storage case. 4 paddles, 20 cm in diameter

SKU: 93316